Protection | Peavey 450 instruction

Max® 450

SPECIFICATIONS

SYSTEM SPECIFICATIONS:

Mains Fuse = 8 amps

Mains Voltage = 120 VAC 60 Hz Power Consumption = 350 watts

Hum and noise: Typically greater than -89 dB unweighted with controls set as follows…

Pad = Passive

Bright = Normal Pre gain = 5 Contour = 0 Low = 0

Mid = 0

Mid Shift = 1kHz High = 0 Volume = 5

POWER AMPLIFIER SECTION:

PROTECTION:

Electronic current limit protection circuit. Thermal protection circuit.

D.C. crowbar protection circuit.

DDT speaker protection circuit with defeat switch. Variable speed fan, thermally controlled

GENERAL INFORMATION:

Minimum load = 2 Ohms

Input sensitivity: 1.0 VRMS

Two 1/4" speaker jacks in parallel

RATED POWER OUTPUT:

450 Watts (30.00 V RMS) into 2 Ohms

300 Watts (34.64 V RMS) into 4 Ohms

170 Watts (36.88 V RMS) into 8 Ohms

TYPICAL POWER OUTPUT

475 Watts (30.82 V RMS) into 2 Ohms with no more than 1% THD+N

308 Watts (35.10 V RMS) into 4 Ohms with no more than 1% THD+N

177 Watts (37.63 V RMS) into 8 Ohms with no more than 1% THD+N

NOISE:

Typically greater than 102 dB below full power @ 8 Ohms unweighted

DDT Dynamic Range:

Typically greater than +15 dB

FREQUENCY RESPONSE:

+0/-0.61 dB, 100mW to 160 W RMS, 20 Hz to 20 kHz (8 Ohm load, typically below 0.2% THD+N)

PREAMPLIFIER SECTION:

SETTINGS FOR MEASUREMENTS UNLESS OTHERWISE NOTED:

Pad = out (Passive)

Bright = out (Normal)

Pre-Gain = 5 (12 o’clock)

Contour = 0 (fully counterclockwise)

Bass = 0 (12 o’clock)

Mid = 0 (12 o’clock)

Mid Shift = 0 (12 o’clock)

High = 0 (12 o’clock)

Master Volume = 10 (fully Clockwise)

Line Out Level = 10 (fully Clockwise)

INPUT SENSITIVITY (Level to achieve full power):

With Pad Out...

Nominal input: 100 mV RMS

Minimum input: 9 mV(pre gain and master fully CW)

Maximum input: 3.0 V(maximum signal at input before clipping occurs)

With Pad -10 dB in:

Nominal input: 315 mV RMS

Minimum input: 28 mV (pre gain and master fully CW)

Maximum input: 9 V (maximum signal at input before clipping occurs)

EQUALIZATION:

Bright boost: + 8 dB @ 5 kHz

Contour: Special frequency compensation

Bass: ± 15 dB @ 30 Hz, Shelving type Eq

Mid : ± 15 dB @ 200 @ 2 kHz (Mid shift control determines center frequency)

Mid Shift: 200 to 2 kHz

High: ±15 dB @ 8 kHz, Shelving type Eq

TUNER SEND:

Instrument level through a buffer

LINE OUT:

-∞ to -10 dB (for nominal input).

Level is dependent on level control setting and pre gain setting

EFFECTS LOOP:

Set for -10 dB (0.315 V RMS) with pre @ 5, Master @ 10 Controlled via footswitch, ground tip to defeat.

PREAMP OUTPUT:

1 V RMS nominal

450 specifications

The Peavey 450 is a versatile and powerful bass amplifier head designed for both amateur and professional musicians. Known for its exceptional sound quality and robust construction, this amplifier has found a place in various music genres, from rock to jazz. Its lightweight yet durable design offers musicians the portability they crave without sacrificing performance.

One of the standout features of the Peavey 450 is its impressive power rating. With a capability of delivering up to 450 watts at 4 ohms, it provides ample headroom for dynamic playing. This ensures that bassists can maintain clarity and punch even at higher volumes, making it an ideal choice for live performances. The amp can also operate at lower impedances for additional power, providing flexibility for players with various cabinet setups.

The tonal versatility of the Peavey 450 sets it apart from other amplifiers in its class. The amp incorporates a 5-band EQ, allowing musicians to finely tune their sound to match their style or the venue's acoustics. Additionally, it features Peavey's exclusive Psycho-Acoustic low-end enhancement circuitry, which enriches the bass response without overshadowing mid and high frequencies. This technology is especially beneficial for genres that demand a tight low-end punch, such as metal or funk.

Another highlight of the Peavey 450 is its built-in effects loop, which allows players to integrate their favorite pedals seamlessly into the signal chain without losing tone integrity. The amplifier also includes a balanced XLR output for direct connection to a mixer or recording device, making it convenient for studio work or live sound applications.

Durability is a hallmark of Peavey products, and the 450 is no exception. Housed in a rugged chassis, this amplifier is built to withstand the rigors of gigging. The high-quality components used in its construction ensure longevity, making it a reliable choice for touring musicians.

In summary, the Peavey 450 is a powerful and versatile amplifier that offers bassists a range of features to enhance their sound and performance. With its robust power, advanced EQ capabilities, and durable design, it stands out as a reliable choice for musicians looking to elevate their sound. Whether on stage or in the studio, the Peavey 450 helps bassists achieve their desired tone with ease and clarity.

Peavey 450 operation manual Protection

Models: 450