Manley Force Four-Channel Vacuum Tube Microphone Preamplifier

- Vacuum Tubes: 4 x 12AX7WA dual triodes
- Balanced Transformer Coupled XLR Microphone Input Impedance: 1250 Ohms
- Unbalanced 1/4" Direct Input Impedance: 10 Meg Ohm
- Maximum Input Mic input (Low Gain Setting): -5 dBu or 435mV RMS @ 0.5% THD
- Maximum Input Mic input (High Gain Setting): -25 dBu or 44mV RMS @ 0.5% THD
- Maximum Input Direct input (Low Gain Setting): +24 dBu or 12V RMS @ 0.5% THD
- Maximum Input Direct input (High Gain Setting): +17 dBu or 5.5V RMS @ 0.5% THD
- Maximum Output (1kHz Sine, into 100 kOhm load, 0.1% THD+N: +35 dBu
- Maximum Output (1kHz Sine, into 100 kOhm load, 0.1% THD+N: 43V RMS
- Maximum Output (1kHz Sine, into 600 Ohms load, 0.1% THD+N): +22 dBm
- Hi-current WFDRIVE Balanced Output Impedance: 50 Ohms
- Output Headroom (referenced to +4 dBu): 31 dB
- Dynamic Range: 118 dB @ LOW GAIN, 100 dB @ HI GAIN
- THD & Noise (1Khz @ +4dBu BW 22Hz-22KHz): 0.004% at Low Gain setting
- THD & Noise (1Khz @ +4dBu BW 22Hz-22KHz): 0.04% at Hi Gain setting
- Noise Floor Micpre (A WGT): - 85dB @ LOW GAIN, -66dB @ HI GAIN
- Signal to Noise Ratio (Ref. to +4dBu): 87dB @ LOW GAIN, 68dB @ HI GAIN
- EIN (22-22kHz BW, A WGT): -129dB with 150 Ohm source impedance @ LO GAIN
- Frequency Response: 20 Hz to 20 kHz -0.1dB, +0.3 dB
- Gain via Microphone Input: 40 LOW or 50dB HI GAIN (60dB available via internal jumper)
- Gain via Line Input: 20 or 30dB (40dB available via internal jumper)
- Low Signal Green LED (Output Level): -22 dBu
- High Signal Red LED (Output Level): +24 dBu
- AUTOMUTE warmup delay: 30 seconds
- Power consumption: 36 Watts
- Operating mains voltage: 90 to 254 VAC (internal universal supply)
- Mains Voltage Frequency: 50~60Hz
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 12.25 lbs
Shipping Dimensions: 23 x 12 x 8 in
Manufacturer Part Number (MPN): MFRC
(2 ratings)
Submitted July 18, 2017 by Joel V in Covina, CA
"Amazing!"
Verified Customer zZounds has verified that this reviewer made a purchase from us.
We just got this Manley Force for few days ago, so far we recorded Drums, guitars, acoustic guitars and vocals, everything sounds so big, full, clear, as natural and real as it gets, and looks beautiful and it's built like a tank. We might get another Force because it is simple great.
Musical Background:
One Music Studio - Recording Studio
Musical Style:
Recording studio - music productions.
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