Traverse Analogue 652

Features
• 12AX7 input stage with 12-position gain switch, 5 – 60 dB (5 dB steps)
• IHigh-voltage transistor buffer output stage (4x FJP5200)
• IDiscrete Class-A operation, low-noise topology
• IHermetically-sealed relay switching, with gold-plated contacts
• IVariable input impedance for mic: 300 ohms, 1200 ohms
• ISource selection switch: Mic and Line-Level
• IPhase inversion switch
• ISelectable high-pass filter of 10Hz, 80Hz, and 200Hz (first order)
• IRegulated low-noise power supply, with +48V DC phantom power
• IHigh-quality Beldfoil® shielded cabling throughout
• ICustom Lundahl input and output transformers
• I2 Year Limited Warranty

Specifications
Typical Test Parameters: 2mV RMS sine, 1 kHZ, 1200R input impedance, 100K output load impedance
• Input Impedance 300 Ω, 1200 Ω (Mic) - 15 KΩ (Line)
• Maximum Input Level +4dBV (XLR, 1200R setting) -2dBV (XLR, 300R setting)
• Maximum Output Level +15 dBV
• XLR Output Impedance < 65 Ω
• Recommended Minimum Load 300 Ω
• Frequency Response 18Hz to > 50kHz (-3 dB)
• High Pass Filter Characteristics -3dB @ 80Hz or 200Hz, 20 dB/decade (first-order)
• Maximum Gain 60dB (1200R XLR input - XLR output, unweighted)
• EIN Noise -128dBV (20Hz ~ 20kHz); -130dBV (A-wtg)
• Residual Output Noise (Master at Zero) -121dBV (1uV) 20Hz ~ 20kHz
• Noise Factor 5dB re 150R source impedance (20Hz ~ 20kHz)
• THD+N 0dBV to 15dBV, 0.03% to 2%
• Tube Per Channel 1x 12AX7
• Phantom Power +48V DC
• Power Sequencing     Soft-start for tube filament supply;
                                   Soft-start for tube high voltage supply;
                                   30s turn-on delay for output relays;
                                   Output relays mute immediately at power-down
• Power Requirements 110-120V / 220-240V, 50/60Hz, 30VA max.
• Power Consumption 24 Watts
• Dimensions 19” W x 3.5” H x 12.25” D - 483mm W x 90mm H x 311mm D
• Weight 6 kg