Techtronics Pro Audio products from Biema
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Biema A2654

Biema Pro Mixing Desk - 14 Channel, XLR Balanced :: A2654

A professional mixer engineered for studio or live performance. It is compact, stylish and designed for ease of use. The uncluttered control layout enables hassle free adjustment in live or studio mixing environments. Utilising the latest in surface mount technology and ultra-low noise circuitry, a high level of performance is achieved.

Channels 1 to 10 are identical and feature: • balanced XLR, unbalanced 6.35mm and an insert input for external effects • 20db input pad • separate high, mid, low frequency controls • monitor mix level • gain, effects level and left/right pan • mute and pre-fade listen (PFL) switches • peak output LED. Two stereo 6.35mm inputs form channels 11, 12, 13 and 14. The mixer also features a 24 bit digital effects unit with 20 DSP effects including hall, room, delay, echo and reverb/delay. These can be applied to the master output, or an external processor may be used via the effects send and return 6.35mm jacks. A separate monitor output fader and 6.35mm output is provided for use with a mixing room monitor amp and speakers. Headphone volume control with 6.35mm socket is also included. RCA connectors are provided for master record and playback via PC/cassette deck, and a 6.35mm socket is provided for line input eg CD player for BGM. Master outputs, with volume controls, are via balanced XLR or unbalanced 6.35mm jack. Includes 7 band EQ for both channels.

Features
• All audio inputs & outputs top mounted for easy access
• XLR balanced & 6.35mm unbalanced inputs & outputs
• Ultra low noise amplifiers & sealed slider controls
• Extremely high headroom on all inputs
• Gain, monitor, effect, pan, high, mid & low levels controls plus PFL, mute and 20dB pad on all channels
• LED VU output level meter
• XLR socket for lamp
• Internal 24-bit effects unit with 20 effects
• External effects send & return
• Selectable phantom power
• Separate main mix, monitor and headphone controls
• 7 band graphic EQ on Master output.

Specifications:
Mic inputs: 10 x XLR balanced
Stereo inputs: 4 x 6.35mm jacks
Total THD: 0.01%
Gain bandwidth: 80kHz
Gain control range: -5dB to +60dB
Max input: +22dB
Channel fader range: -85dB to +10dB
Monitor send range: -85dB to 0dB
Effect send range: -85dB to 0dB
Hi shelving: 12kHz, ±15dB, Q fixed 2 Oct
Mid shelving: 350Hz-8kHz, ±15dB, Q fixed 1 Oct
Low shelving: 120Hz, ±15dB, Q fixed 2 Oct
Ch insert max in/Out: +22dBμ
Ch to ch cross talk: ≤-95dB (1kHz)
LINE input max input: +22dBμ
PLAY input max input: +10dBμ
LINE input gain range: -85dB to 0dB

Effect
Effect send/return: +10dBμ max
Tone: ±12dB, 8kHz
Send & return gain: -85dB to 0dB

Monitor Output
Max output: +22dBμ
Hi shelving: ±15dB, 8kHz
Low shelving: ±15dB, 120Hz

Mixer Output
Max output: +22dBμ balanced XLR & unbalanced 6.35mm
7 band stereo EQ: 2.5 multiple freq, Q fixed at 10 Oct. ±12dB
Signal to noise ratio: 90dB
THD: 0.01%, 1kHz
Freq response: 10Hz to 120kHz, ±3dB

Power: 240V AC
Dimensions (mm): 90H x 510L x 405D
Weight: 7.5kg

Link to product page    $1,029.60
Biema A4156

Biema 2 X 200W W Series Power Amplifier - 8 Ohm :: A4156

The W series Biema power amplifiers are a cost effective solution for demanding commercial audio applications. These non-bridgeable models are designed to be used as standard 2 channel or stereo amplifiers. The design incorporates a fan forced cooling system to ensure reliability under the most intense output drive conditions.

The protection circuitry employed in the design ensures the integrity of the amplifiers under overload conditions. The circuit even protects the amp when a total short circuit is applied across the output terminals. The 'soft start' limiter will immediately shut down the output drive in overload or short circuit conditions, then will gradually restart when the fault condition has been removed.
Each channel includes its own recessed front mounted volume control and standard rear panel mounted RCA & 6.35mm jack inputs. Output connections are made via heavy duty binding posts or industry standard heavy duty speaker connectors.

Features:
• Rugged heavy duty construction
• 19" rack mount
• Stylish cosmetics
• Soft start limiter
• Earth lift switch
• Limiter on/off switch
• RCA & 6.35mm jack inputs
• Binding post & industry standard heavy duty output speaker connectors
• Clipping & overload/overdrive protect indicators
• Recessed detent volume controls for each channel
• Fan forced cooling
• 1 Year Warranty

Specifications
Output Power 8Ω: 2x200W RMS
Output Power 4Ω: 2x350W RMS
Frequency Response: 10Hz - 50KHz -1.5db
Imput Sensitivity: 0.77
Signal to Noise Ration: >90dB
Dimensions(WxDxH): 482x314x88
Weight: 10.5kg

*Specifications subject to change without notice

Link to product page    $544.50
Biema A4170

Biema 2 x 400W Q Series Power Amplifier :: A4170

The Q series amplifiers are designed to be installed in the most demanding of commercial audio applications such as pub PA's, nightclubs, mobile DJ's, cinemas and sporting venues. They are uniquely contemporary in appearance and offer high fidelity performance as individual stand alone amplifiers or stereo amplifiers. Each channel is powered by an independent power supply with high efficiency toroidal transformer. They can be configured to operate in bridge mode (mono) providing up to a massive 1200W RMS power to an 8 ohm load (A 4170). They will provide full rated power at less than 0.1% total harmonic distortion.
The design incorporates a thermally cued fan forced cooling system.
The protection circuitry employed in the design ensures the integrity of the amplifiers under overload conditions. The circuit even protects itself when a total short circuit is applied across the output terminals. The 'soft start' limiter will immediately shut down the output drive in overload or short circuit conditions, then will gradually restart when the fault condition has been removed.
Each channel includes its own recessed front mounted volume control and rear panel mounted XLR & 6.35mm phono jack balanced inputs with selectable sensitivities of 0.77V, 1.4V and 3.5V. This allows input signals from a wide variety of source equipment. Output connections are made via heavy duty binding posts or industry standard heavy duty speaker connectors.

Features:
• Rugged heavy duty construction
• 19" rack mount
• Stylish cosmetics
• 3 modes of operation - stereo, parallel and bridged
• Selectable input sensitivity
• Independent power supplies for each channel
• Soft start limiter
• Earth lift switch
• Limiter on/off switch
• XLR & 6.35mm balanced inputs
• Binding post & industry standard heavy duty output speaker connectors
• Front & rear carry handles
• Clipping & overload/overdrive protect indicators
• Recessed detent volume controls for each channel
• Thermally cued fan forced cooling
• 1 Year Warranty

Specifications:
Output power 8 Ω: 2x400W RMS
Output power 4 Ω: 2x600W RMS
Output power bridged 8 Ω: 1200W RMS
Frequency Response: 10Hz - 50KHz -1.5db
Imput Sensitivity: 0.77, 1.4, 3.5V
Signal to Noise Ration: >100dB
Dimensions(WxDxH): 482x390x88
Weight: 20.5kg

*Specifications subject to change without notice

Link to product page    $1,029.00
Biema A4172

Biema 2 x 500W RMS Amplifier - 19" Rack Mount :: A4172

Bridgeable “PA Series”. This monster Biema produces a massive 1500W into 8 ohms in Bridge mode, 750W per channel into 4 ohms or 500W per channel into 8 ohms. The massive power capacity together with enhanced engineering and design facilitates ultra service reliability
ensuring it is the perfect choice for both hire applications and for permanent installations. It performs tirelessly even in the most demanding applications and is ideal for nightclubs, sporting complexes, cinemas, mobile DJ’s, pub and club PA’s and bands. Engineered with two extra large heatsink tunnels cooled with thermally cued fans which are inoperative at standby or low level inputs. To ensure superior reliability, the amplifier includes a host of protection circuitry permitting operation under the most demanding applications. Features include over-temperature shut down, short circuit protection and output limiting. Each channel includes its own recessed front mounted volume control, rear panel mounted XLR and 6.35mm jack balanced inputs with selectable sensitivity of 0.77V, 1.4V and 3.5V. Enabling input signals from a wide variety of source equipment. Speaker connections are made via heavy duty binding posts or industry standard heavy duty speaker connectors.

Features:
• Rugged heavy duty construction
• 19” rack mount • Stylish cosmetics
• 3 modes of operation - stereo, parallel and bridged
• Selectable input sensitivity
• Soft start limiter
• Earth lift switch
• Limiter on/off switch
• XLR & 6.35mm balanced inputs
• Binding post & industry standard heavy duty output speaker connectors
• Front & rear carry handles
• Clipping & overload/overdrive protect indicators
• Recessed detent volume controls for each channel
• Thermally cued fan forced cooling

Specifications:
Output power (RMS): 2 x 500W (8½)
tested at 1kHz at <0.1% THD: 2 x 750W (4Ω), 1 x 1500W (Bridged 8Ω)
Freq. Response: 10Hz - 50kHz (-1.5dB)
Input sensitivity: 0.77V
Signal to noise ratio: >90dB
Dimensions (mm): ≈ 482W x 506D x 88H
Weight: 22kg

Link to product page    $1,359.60

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