Behringer 676 Classic Vacuum Tube Preamplifier & FET-Style Compressor

Specifications

Audio Inputs

• Mic
  • Type: XLR, transformer balanced
  • Impedance: 500 Ω / 2 kΩ
  • Max. Input Level: +14 dBu (pad in), -1 dB (pad out)
  • CMRR: Typically -90 dBu @ 1 kHz, maximum gain
  • Frequency Response: 20 Hz – 20 kHz ±1 dB
  • EIN Noise @ Max Gain: -122 dBu, 22 Hz – 22 kHz unweighted
  • Distortion (THD+N): <0.25% (50 Hz – 20 kHz, +4 dBu output)
  • Maximum Gain: +64 dB
  • Pad: Toggle switch, 0 dB / -15 dB
  • +48 V: Toggle switch for phantom power to mic input XLR
• Line
  • Type: XLR, transformer balanced
  • Impedance: 15 kΩ
  • Max. Input Level: +30 dBu
  • CMRR: Typically -80 dBu @ 1 kHz, unity gain
  • Frequency Response: 20 Hz – 20 kHz ±1 dB
  • Noise @ Unity Gain: -79 dBu, 22 Hz – 22 kHz unweighted
  • Distortion (THD+N): <0.25% (50 Hz – 20 kHz, +4 dBu output)
  • Maximum Gain: +20 dB
• HI-Z
  • Type: 6.35 mm (1/4") TRS jack, unbalanced
  • Impedance: 47 kΩ / 2.2 MΩ
  • Max. Input Level: +12 dBu
  • Frequency Response: 20 Hz – 20 kHz ±1 dB
  • EIN Noise @ Max Gain: -105 dBu, 22 Hz – 22 kHz unweighted
  • Distortion (THD+N): <0.25% (50 Hz – 20 kHz, +4 dBu output)
  • Maximum Gain: +44 dB
• Compressor
  • Type: XLR, transformer balanced
  • Impedance: 15 kΩ / 600 Ω
  • Max. Input Level: +30 dBu
  • CMRR: Typically -80 dBu @ 1 kHz, unity gain
  • Frequency Response: 20 Hz – 20 kHz ±1 dB
  • Noise @ Unity Gain: -85 dBu, 22 Hz – 22 kHz unweighted
  • Distortion (THD+N): <0.25% (50 Hz – 20 kHz, +4 dBu output)
  • Maximum Gain: +40 dB

Audio Outputs

• Preamplifier
  • Type: XLR, transformer balanced
  • Impedance: 90 Ω balanced
  • Max. Output Level: +21 dBu
  • Phase Reverse: Toggle switch
  • Split/Join: Toggle switch (direct connection preamp → compressor)
• Compressor
  • Type: XLR, transformer balanced
  • Impedance: 110 Ω balanced
  • Max. Output Level: +26 dBu

Equaliser

• Low Frequency Select: Toggle switch (70 Hz / 100 Hz / 200 Hz, shelving)
• Low Frequency Cut/Boost: Rotary switch (-9 dB to +9 dB)
• High Frequency Select: Toggle switch (4.5 kHz / 7 kHz / 10 kHz, shelving)
• High Frequency Cut/Boost: Rotary switch (-9 dB to +9 dB)

Limiting Amplifier (Compressor)

• Attack Control: 800 μs to 20 μs (slow–fast)
• Release Control: 1.1 s to 50 ms (slow–fast)
• Input Level: Off to unity gain
• Output Level: Off to +40 dB gain
• Ratio: Rotary switch (BP = true bypass, 1:1, 4:1, 8:1, 12:1, 20:1, All >100:1)
• Meter Source Select: Rotary (preamp output/gain reduction/compressor output)
• VU Meter: -20 dB to +3 dB (0 VU = +4 dBu)
• Meter Calibration Trimmer: Set zero on VU meter when in GR mode

Power Requirements

• Mains Voltage: 100–240 V~, 50/60 Hz
• Power Consumption: 28 W max
• Mains Connector: Standard IEC receptacle
• Fuse: T 1.6 A H 250 V
• Power Switch: Toggle switch, with LED indicator

Physical

• Operating Temperature Range: 5° C – 45° C (41° F – 113° F)
• Dimensions (H x W x D): 88 x 160 x 483 mm (3.47 x 19 x 6.30")
• Weight: 3.50 kg (7.71 lbs)

Warranty

Shipping Policy

All orders over $150 will be automatically eligible for FREE Shipping Australia Wide, if you order is under $150 there will be a flat rate of $10.

Belfield Music is well known for its top online customer service. We treat all online customers with the same excellent service we give to our in store customer. We will ensure that you receive all the support you need while your goods are in transit and ensure the goods arrive promptly. All of our shipments have tracking numbers available and we cover every single unit by our own shipping insurance.     

Online orders are normally processed within 1-3 business days. Once processed, your order should take between 1-8 business days to arrive depending on your location. Please note that your order may take up to 10 business days to arrive from the day you place your order. 

If it transpires that the product is out of stock due to a stock discrepancy and/or there will be a delay in shipment, we will contact you within 2 business days of placing your order and give you the option of waiting or cancelling your order. The products we advertise online should show if they are in stock or not. We do our best to keep the website stock count up to date, but there may be an occasional error.

If you wish to utilize an Express Delivery Service to receive your item, please contact us for a shipping quote before you place your order at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.           

Deliver is made during the hours from 8:00am till 5:30pm Monday to Friday. As such, please ensure you nominate an address which is capable of receiving goods during 8am and 5.30pm.  Given the restrictions on PO Box deliveries we cannot deliver larger sized items to a PO Box.

If for any reason our selected carriers don't service your area we will contact you before processing your order if this applys to you.

Returns Policy

If you wish to return an item which is not damaged or faulty in any way and you have simply changed your mind or made the wrong decision, you must let us know within 7 days of receiving the item.  We will not agree to refund an item because you simply changed your mind or made the wrong decision if we have not been advised of your intention within 7 days of receiving your item. Once we have provided a return authority, it is the buyer’s responsibility to return the item, at their own costs within 30 days from original purchase. If the item is returned with any damage or alteration to its original packaging, we will refund the item subject to applying a minimum 15% restocking fee.  We will not refund the costs of the initial shipping charges.

It is in Belfield Music best interests to keep our customers happy with their purchases. If you are not happy with your purchase, please talk to us first. We will always attempt to resolve any problems you may have as best we can. To contact us please email us at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.